bimap | A BiMap implementation in Kotlin | Android library
kandi X-RAY | bimap Summary
kandi X-RAY | bimap Summary
A bi-directional map implementation in Kotlin.
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Community Discussions
Trending Discussions on bimap
QUESTION
My programs code and decode the texts. The coding part was succesful but decoding part doesn't work.
The logic is so simple; take code until come x
(you can imagine, x is delimeter as like comma from CSV), find in dictionary and add it to variable.
ANSWER
Answered 2022-Jan-09 at 21:23This splits up the encoding and decoding so that they are not both trying to parse character by character.
QUESTION
What would be a simple way to iterate through and store all keys of boost::bimap into a vector. Would it work just like we would for std::map
...ANSWER
Answered 2021-Dec-21 at 01:57This would be one way:
QUESTION
Given this code using boost 1.75 / gcc 11
...ANSWER
Answered 2021-Oct-07 at 15:18As the messages suggest, you can suppress the -Wnonnull
diagnostics:
QUESTION
I have some JSON fields stored in a database which contain a String -> Double mapping, e.g.:
...ANSWER
Answered 2021-Aug-30 at 14:27I would make some supporting instances for your ThingType
, then reuse the FromJSON (HashMap k v)
instance.
QUESTION
In one of the solutions on codewars I've met the following expression:
...ANSWER
Answered 2021-Jul-29 at 00:28First, let’s look at the type of join
as applied to a function. Let’s say you have a function f :: t -> u -> v
; or, equivalently, f :: (->) t ((->) u v)
. We can attempt to unify this with join :: Monad m => m (m a) -> m a
by comparing the two types:
QUESTION
I have two async function calls to external systems returning Either and need to combine their results. Being a beginner in functional programming in Arrow-Kt, I am wondering which is the best way of accomplishing this task. Below is the code, which I am currently using. It certainly works but does not really "feel" to be most straight forward. I am looking for a more "functional" style to get the result. NB: the upfront usage of the successful List result is necessary.
...ANSWER
Answered 2021-Jun-08 at 07:15The easiest way is to combine either { }
with parZip
.
either { }
allows you to extract A
from Either
, and parZip
is a utility function for running suspend
function in parallel.
QUESTION
Is there a way to construct a boost::bimap (or multi-index container) that has two keys, plus a value they both point to? In addition, you can query one key to get the other?
I can construct a boost multi-index container that has two keys for some element, but cannot figure out how to get the value of a key given the value of the other key?
I am trying to do something like:
...ANSWER
Answered 2021-May-22 at 17:41I would use a multi-index container over records like:
QUESTION
I'm going mental with Chapter 8 from Category Theory for Programmers.
In section 8.3, Bartosz defines this type
...ANSWER
Answered 2021-Jan-24 at 15:44You're pretty close.
First, you have the kind of bf
wrong. It's actually just * -> * -> *
, which is exactly as expected given that it's going to be a Bifunctor
. Of course, the kind of BiComp
is pretty crazy:
QUESTION
I'm trying to install Agda 2.6.1.2 by following the instructions in the docs, but when running the command cabal install Agda
I'm receiving the following error:
ANSWER
Answered 2021-Jan-21 at 15:48The current release of Agda (2.6.1.2) does not support GHC 8.10.3. You need to either use a supported version of GHC (e.g. 8.10.2) or install the development version of Agda from Github (which does support GHC 8.10.3, see https://github.com/agda/agda/issues/5109).
QUESTION
I have Map map1
and Map map2
and I need to produce a Map
. I'd also like a solution using guava's BiMap
if that's possible.
Obviously assuming that there does exist a bijective map between sets A, B, and C. I want a view, that is I don't want to make any copies of the elements.
map1
and map2
are immutable.
ANSWER
Answered 2021-Jan-05 at 23:44This can be done with Maps.transformValues()
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